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Epoxy potting compound
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Epoxy potting compounds are special synthetic resins that are produced on an epoxy resin basis and are used for potting and sealing components. They usually consist of two components: an epoxy resin and a hardener, which are mixed together to start a chemical reaction that results in a solid, durable compound. They are resistant to mechanical stress and resistant to many chemical products (e.g. solvents). Epoxy resins have good insulating properties and remain stable even at high temperatures. They also have good adhesive properties.

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Epoxy resins	ER2188	ER2074	ER2183
Color (miyed system)	black	white	black
Density in cured state (g/ml)	1.69	2.09	1.95
Viscosity of the mixed system (in mPa s at 23°C)	9000	16700	5000
Mixing ratio by weight (by volume)	11:1 (5.5 : 1)	17.31 : 1 (7.23 : 1)	12.78 : 1 (5.58 : 1)
Pot time (in minutes at 23°C)	60	90	120
Gel time (in minutes at 23°C)	150	300	420
Curing time (in hours at 23°C / 60°C)	24/2	24/4	24/4
Thermal conductivity (W/m.K)	0.91	1.26	1.25
Temperature range (°C)	-40 to +120	-40 to +130	-40 to +130
Maximal temperature-short term(°C)	+140	+150	+150
Dielectric strength (kV/mm)	10	10	10
Specific volume resistance (Ω·cm)	10¹⁴	10¹⁵	10¹⁵
Shore jhardness	D85	D80	D90
Flame retardancy	V-0	V-0	V-0
UL94 certification	yes	no	no
RoHs compliant	yes	yes	yes